Re:Negative Base
by bzbarsky on Friday June 29, 2018 @01:26AM
(#17422593)
I'd think that in all those languages, -0 == +0 tests true, though. In JavaScript even -0 === +0 tests true.
The only way to tell them apart in general is to divide by them. In some languages you might be able to type-pun and examine the bit pattern, or do things like Object.is() or whatnot.
The only way to tell them apart in general is to divide by them. In some languages you might be able to type-pun and examine the bit pattern, or do things like Object.is() or whatnot.